|
jens@0
|
1 |
//
|
|
jens@0
|
2 |
// TimeIntervalFormatter.m
|
|
jens@0
|
3 |
// MYUtilities
|
|
jens@0
|
4 |
//
|
|
jens@0
|
5 |
// Copyright 2008 Jens Alfke. All rights reserved.
|
|
jens@0
|
6 |
//
|
|
jens@0
|
7 |
|
|
jens@0
|
8 |
#import "TimeIntervalFormatter.h"
|
|
jens@0
|
9 |
|
|
jens@0
|
10 |
|
|
jens@0
|
11 |
@implementation TimeIntervalFormatter
|
|
jens@0
|
12 |
|
|
jens@0
|
13 |
|
|
jens@1
|
14 |
- (id) init
|
|
jens@1
|
15 |
{
|
|
jens@1
|
16 |
self = [super init];
|
|
jens@1
|
17 |
if (self != nil) {
|
|
jens@1
|
18 |
_showsMinutes = YES;
|
|
jens@1
|
19 |
}
|
|
jens@1
|
20 |
return self;
|
|
jens@1
|
21 |
}
|
|
jens@1
|
22 |
|
|
jens@0
|
23 |
- (void) awakeFromNib
|
|
jens@0
|
24 |
{
|
|
jens@0
|
25 |
_showsMinutes = YES;
|
|
jens@0
|
26 |
}
|
|
jens@0
|
27 |
|
|
jens@0
|
28 |
- (void) setShowsMinutes: (BOOL)show {_showsMinutes = show;}
|
|
jens@0
|
29 |
- (void) setShowsFractionalSeconds: (BOOL)show {_showsFractionalSeconds = show;}
|
|
jens@0
|
30 |
|
|
jens@1
|
31 |
+ (NSString*) formatTimeInterval: (NSTimeInterval)interval
|
|
jens@1
|
32 |
{
|
|
jens@1
|
33 |
TimeIntervalFormatter *fmt = [[self alloc] init];
|
|
jens@1
|
34 |
NSString *result = [fmt stringForObjectValue: [NSNumber numberWithDouble: interval]];
|
|
jens@1
|
35 |
[fmt release];
|
|
jens@1
|
36 |
return result;
|
|
jens@1
|
37 |
}
|
|
jens@1
|
38 |
|
|
jens@0
|
39 |
|
|
jens@0
|
40 |
- (NSString*) stringForObjectValue: (id)object
|
|
jens@0
|
41 |
{
|
|
jens@0
|
42 |
if (![object isKindOfClass:[NSNumber class]])
|
|
jens@0
|
43 |
return nil;
|
|
jens@0
|
44 |
NSTimeInterval time = [object doubleValue];
|
|
jens@0
|
45 |
NSString *sign;
|
|
jens@0
|
46 |
if( time==0.0 )
|
|
jens@0
|
47 |
return nil;
|
|
jens@0
|
48 |
else if( time < 0.0 ) {
|
|
jens@0
|
49 |
sign = @"-";
|
|
jens@0
|
50 |
time = -time;
|
|
jens@0
|
51 |
} else
|
|
jens@0
|
52 |
sign = @"";
|
|
jens@0
|
53 |
if( ! _showsFractionalSeconds )
|
|
jens@0
|
54 |
time = floor(time);
|
|
jens@0
|
55 |
int minutes = (int)floor(time / 60.0);
|
|
jens@0
|
56 |
if( _showsMinutes || minutes>0 ) {
|
|
jens@0
|
57 |
double seconds = time - 60.0*minutes;
|
|
jens@0
|
58 |
return [NSString stringWithFormat: (_showsFractionalSeconds ?@"%@%d:%06.3lf" :@"%@%d:%02.0lf"),
|
|
jens@0
|
59 |
sign,minutes,seconds];
|
|
jens@0
|
60 |
} else {
|
|
jens@0
|
61 |
return [NSString stringWithFormat: (_showsFractionalSeconds ?@"%@%.3lf" :@"%@%.0lf"),
|
|
jens@0
|
62 |
sign,time];
|
|
jens@0
|
63 |
}
|
|
jens@0
|
64 |
}
|
|
jens@0
|
65 |
|
|
jens@0
|
66 |
|
|
jens@0
|
67 |
- (BOOL)getObjectValue:(id *)anObject
|
|
jens@0
|
68 |
forString:(NSString *)string
|
|
jens@0
|
69 |
errorDescription:(NSString **)error
|
|
jens@0
|
70 |
{
|
|
jens@0
|
71 |
NSScanner *scanner = [NSScanner scannerWithString: string];
|
|
jens@0
|
72 |
[scanner setCharactersToBeSkipped: [NSCharacterSet whitespaceCharacterSet]];
|
|
jens@0
|
73 |
double seconds;
|
|
jens@0
|
74 |
if( [scanner isAtEnd] ) {
|
|
jens@0
|
75 |
seconds = 0.0;
|
|
jens@0
|
76 |
} else {
|
|
jens@0
|
77 |
if( ! [scanner scanDouble: &seconds] || seconds<0.0 ) goto error;
|
|
jens@0
|
78 |
if( [scanner scanString: @":" intoString: NULL] ) {
|
|
jens@0
|
79 |
double minutes = seconds;
|
|
jens@0
|
80 |
if( ! [scanner scanDouble: &seconds] || seconds<0.0 ) goto error;
|
|
jens@0
|
81 |
seconds += 60*minutes;
|
|
jens@0
|
82 |
}
|
|
jens@0
|
83 |
if( ! [scanner isAtEnd] ) goto error;
|
|
jens@0
|
84 |
}
|
|
jens@0
|
85 |
*anObject = [NSNumber numberWithDouble: seconds];
|
|
jens@0
|
86 |
return YES;
|
|
jens@0
|
87 |
|
|
jens@0
|
88 |
error:
|
|
jens@0
|
89 |
*anObject = nil;
|
|
jens@0
|
90 |
if( error )
|
|
jens@0
|
91 |
*error = @"Not a valid time interval";
|
|
jens@0
|
92 |
return NO;
|
|
jens@0
|
93 |
}
|
|
jens@0
|
94 |
|
|
jens@0
|
95 |
|
|
jens@0
|
96 |
- (BOOL)isPartialStringValid:(NSString **)partialStringPtr
|
|
jens@0
|
97 |
proposedSelectedRange:(NSRangePointer)proposedSelRangePtr
|
|
jens@0
|
98 |
originalString:(NSString *)origString
|
|
jens@0
|
99 |
originalSelectedRange:(NSRange)origSelRange
|
|
jens@0
|
100 |
errorDescription:(NSString **)error
|
|
jens@0
|
101 |
{
|
|
jens@0
|
102 |
static NSCharacterSet *sIllegalChars;
|
|
jens@0
|
103 |
if( ! sIllegalChars )
|
|
jens@0
|
104 |
sIllegalChars = [[[NSCharacterSet characterSetWithCharactersInString: @"0123456789.:"]
|
|
jens@0
|
105 |
invertedSet] retain];
|
|
jens@0
|
106 |
return [*partialStringPtr rangeOfCharacterFromSet: sIllegalChars].length == 0;
|
|
jens@0
|
107 |
}
|
|
jens@0
|
108 |
|
|
jens@0
|
109 |
|
|
jens@0
|
110 |
@end
|
|
jens@11
|
111 |
|
|
jens@11
|
112 |
|
|
jens@11
|
113 |
/*
|
|
jens@11
|
114 |
Copyright (c) 2008, Jens Alfke <jens@mooseyard.com>. All rights reserved.
|
|
jens@11
|
115 |
|
|
jens@11
|
116 |
Redistribution and use in source and binary forms, with or without modification, are permitted
|
|
jens@11
|
117 |
provided that the following conditions are met:
|
|
jens@11
|
118 |
|
|
jens@11
|
119 |
* Redistributions of source code must retain the above copyright notice, this list of conditions
|
|
jens@11
|
120 |
and the following disclaimer.
|
|
jens@11
|
121 |
* Redistributions in binary form must reproduce the above copyright notice, this list of conditions
|
|
jens@11
|
122 |
and the following disclaimer in the documentation and/or other materials provided with the
|
|
jens@11
|
123 |
distribution.
|
|
jens@11
|
124 |
|
|
jens@11
|
125 |
THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND ANY EXPRESS OR
|
|
jens@11
|
126 |
IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND
|
|
jens@11
|
127 |
FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRI-
|
|
jens@11
|
128 |
BUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
|
|
jens@11
|
129 |
(INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
|
|
jens@11
|
130 |
PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
|
|
jens@11
|
131 |
CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF
|
|
jens@11
|
132 |
THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
|
|
jens@11
|
133 |
*/
|